[FFmpeg-trac] #120(undetermined:new): lowres 3 with etymonix_mpeg2 file = crash

[FFmpeg]

#120: lowres 3 with etymonix_mpeg2 file = crash
--------------------------+--------------------------
 Reporter:  ami_stuff     |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
--------------------------+--------------------------
 the file from issue 1603 crashes with "-vlowres 3"

 https://roundup.libav.org/file651/etymonix_mpeg2.avi'

 {{{
 C:\>ffmpeg -vlowres 3 -i "C:\etymonix_mpeg2.avi" out.avi
 FFmpeg version git-N-29181-ga304071, Copyright (c) 2000-2011 the FFmpeg
 develope
 rs
   built on Apr 18 2011 21:24:03 with gcc 4.5.2
   configuration: --enable-gpl --enable-version3 --enable-runtime-cpudetect
 --ena
 ble-memalign-hack --enable-avisynth --enable-bzlib --enable-frei0r
 --enable-libo
 pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --
 enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger
  --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx
 --enabl
 e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --cross-
 prefix=i686-w6
 4-mingw32- --target-os=mingw32 --arch=x86_32 --extra-
 cflags=-I/home/kyle/softwar
 e/ffmpeg/external-libraries/win32/include --extra-
 ldflags=-L/home/kyle/software/
 ffmpeg/external-libraries/win32/lib --pkg-config=pkg-config
   libavutil    50. 40. 1 / 50. 40. 1
   libavcodec   52.120. 0 / 52.120. 0
   libavformat  52.108. 0 / 52.108. 0
   libavdevice  52.  4. 0 / 52.  4. 0
   libavfilter   1. 79. 0 /  1. 79. 0
   libswscale    0. 13. 0 /  0. 13. 0
 [mpeg2video @ 022721B0] mpeg_decode_postinit() failure
 [mpeg2video @ 022721B0] intra matrix invalid, ignoring
 Input #0, avi, from 'C:\etymonix_mpeg2.avi':
   Duration: 00:00:05.00, start: 0.000000, bitrate: 11556 kb/s
     Stream #0.0: Video: mpeg2video (Main), yuv444p, 40x30 [PAR 1:1 DAR
 4:3], 0 k
 b/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
 Incompatible pixel format 'yuv444p' for codec 'mpeg4', auto-selecting
 format 'yu
 v420p'
 [buffer @ 01CF2BB0] w:40 h:30 pixfmt:yuv444p
 [ffsink @ 01CF32D0] auto-inserting filter 'auto-inserted scaler 0' between
 the f
 ilter 'src' and the filter 'out'
 [scale @ 01CF3570] w:40 h:30 fmt:yuv444p -> w:40 h:30 fmt:yuv420p
 flags:0x4
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf52.108.0
     Stream #0.0: Video: mpeg4, yuv420p, 40x30 [PAR 1:1 DAR 4:3], q=2-31,
 200 kb/
 s, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop encoding
 [mpeg2video @ 022721B0] mpeg_decode_postinit() failure
 [mpeg2video @ 022721B0] intra matrix invalid, ignoring
     Last message repeated 2 times
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/120>
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